army mark

例句：

1. 1. The army marked the area with a large flag.
   军队用一面大旗标记了这一区域。
2. 2. The soldier's uniform had a distinctive military mark on it.
   士兵的制服上有一个独特的军事标记。
3. 3.The military insignia was carefully placed to ensure its legibility.
   军事标志被小心放置以确保其可读性。